Also make them more sensible and user-friendly overall, relatively.
Update README with the commands and better instructions.
Important: This ensures that the commands issued by build are
cross-platform in nature instead of hoping. rimraf, cpy, etc.
There doesn't appear to be much reason to avoid this, and it solves 85
active known vulnerabilities in the various packages pulled into rambox.
WARNING: This includes electron 2.0.2. This is probably a good idea, it
works in my testing, there don't appear to be breaking changes, but this
needs extra testing, I'm sure.
Extra WARNING: This also includes a sencha cmd app update for good measure.
An ExtJS framework update is left for another time.